I have finally stumbled upon Tony Goodhew's XP SP2 Blog. Tony is a Product Manager in the Developer Division at Microsoft, responsible for the developer experience with  XP SP2.

I've had a quick scan of the blog and there is a lot of good info there, including links to past webcasts.

[Now Playing: Frou Frou - Shrek 2 - Holding Out for a Hero (03:23)]